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From eb5259acd986ec6862bf709f551da187057471ae Mon Sep 17 00:00:00 2001
From: Philippe Schenker <philippe.schenker@toradex.com>
Date: Mon, 14 Nov 2022 16:04:47 +0100
Subject: [PATCH] ARM: dts: colibri-imx6ull: Enable dual-role switching
The Colibri standard provides a GPIO called USBC_DET to switch from
USB Host to USB Device and back. Make use of this GPIO by adding it
with usb-connector framework.
Upstream-Status: Submitted [https://lore.kernel.org/all/20221115180554.73696-1-dev@pschenker.ch/]
Signed-off-by: Philippe Schenker <philippe.schenker@toradex.com>
---
arch/arm/boot/dts/imx6ull-colibri.dtsi | 29 ++++++++++++++++++++++++++
1 file changed, 29 insertions(+)
diff --git a/arch/arm/boot/dts/imx6ull-colibri.dtsi b/arch/arm/boot/dts/imx6ull-colibri.dtsi
index a4429ba1f2ae..336ab2e0534c 100644
--- a/arch/arm/boot/dts/imx6ull-colibri.dtsi
+++ b/arch/arm/boot/dts/imx6ull-colibri.dtsi
@@ -24,6 +24,28 @@ backlight: backlight {
status = "disabled";
};
+ connector {
+ compatible = "gpio-usb-b-connector", "usb-b-connector";
+ pinctrl-names = "default";
+ pinctrl-0 = <&pinctrl_snvs_usbc_det>;
+ id-gpios = <&gpio5 2 GPIO_ACTIVE_HIGH>; /* SODIMM 137 / USBC_DET */
+ label = "USBC";
+ self-powered;
+ type = "micro";
+
+ ports {
+ #address-cells = <1>;
+ #size-cells = <0>;
+
+ port@0 {
+ reg = <0>;
+ usb_dr_connector: endpoint {
+ remote-endpoint = <&usb1_drd_sw>;
+ };
+ };
+ };
+ };
+
gpio-keys {
compatible = "gpio-keys";
pinctrl-names = "default";
@@ -280,6 +302,13 @@ &usbotg1 {
srp-disable;
hnp-disable;
adp-disable;
+ usb-role-switch;
+
+ port {
+ usb1_drd_sw: endpoint {
+ remote-endpoint = <&usb_dr_connector>;
+ };
+ };
};
/* Colibri USBH */
--
2.38.1
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